Preciosa - surf spot statistics

Best Surf Season (October - April)

The North Atlantic winter storm track takes aim at the Caribbean, sending consistent pulses of northern swell directly toward Preciosa. During these months, the bulk of the swell arrives from the NNE, NE, and NNW quadrants, yielding the largest and most powerful waves of the year. Average heights hover around 1.6-1.7m, with periods in the 9-9.5s range, producing solid, punchy surf. However, the trade winds often blow from the east and southeast, creating side-shore or light onshore conditions. The magic happens when a cold front pushes through, shifting winds to the south, southwest, or west-southwest, delivering glassy offshore conditions on a clean groundswell. These windows are rare but can produce epic, long-period waves. October and November stand out as the peak months due to a better balance of swell size and favorable wind frequency.

Fair Surf Season (May & September)

May and September serve as transitional months. The winter storm track begins to weaken in May, while September sees the early signs of its return. Swell direction shifts toward the ENE and E, which are less ideal angles for Preciosa, resulting in smaller, cleaner waves on average. Heights drop to around 1.3m and periods shorten into the 8-8.5s range. The trade winds become more variable, and a higher percentage of light and offshore winds (38-50% ideal) makes for fun, rippable conditions when the swell lines up. Expect fun-sized waves with occasional pumping pulses from decaying tropical systems or early winter storms.

Low Surf Season (June - August)

June through August marks the low point of the surf calendar at Preciosa. The North Atlantic storm track retreats, leaving the Caribbean dominated by the easterly trade wind swell. Swell directions are overwhelmingly from the E and ENE (87-97% of all wave energy), which wrap in with a poor angle for the NNE-facing beach. Average wave heights dip to 1.2-1.3m and periods fall to 7.3-7.5s, resulting in small, choppy and often weak surf. Winds are mostly from the east and southeast, blowing side-shore to onshore, further degrading quality. The only saving grace is the higher frequency of light winds and occasional offshore days from the south (ideal wind 33-42% of the time), but these seldom coincide with any significant swell. Tropical waves and distant hurricanes can produce short-lived pulses, but overall, expect groveling conditions with rare openings for a fun session.

September: Transitional Return

September marks the beginning of the transition back to winter. Average swell height increases to 1.3m and period jumps to 8.8s, signaling more powerful pulses. The favorable swell component increases to 23.8% (NNE 5.6%, NE 16.6%, N 1.2%), though ENE (42.3%) and E (30.1%) still dominate. Wave heights are mostly in the 1-1.5m (fun) and 1.5-2m (solid) ranges. Wind conditions become significantly better: ideal offshore winds from the south blow 50% of the time, the highest of any month. The trade winds are weakening, and tropical weather systems can bring long-period groundswells with offshore breezes. September offers the best chance for clean, fun-sized waves with occasional pumping sets from hurricanes that track well north or east of the island.